In Order to Completely Oxidize Glucose, It Takes Two Turns

question 49

Multiple Choice

In order to completely oxidize glucose, it takes two turns of the citric acid cycle, which yields a net of two ATP, six NADH and two FADH₂. How many of the 32 total ATP molecules produced in cellular respiration come from the citric acid cycle, including the contribution from the NADH and FADH₂?

• A) 32
• B) 28
• C) 24
• D) 20
• E) 16

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